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Finding the Fourth Proportional to 101,901.79, 152,852.53 and 66,833.23

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Solution

The fourth proportional to 101,901.79, 152,852.53 and 66,833.23 is: 100,249.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,901.79 : 152,852.53 = 66,833.23 : x
  2. Step 2: Convert to fraction form
    101,901.79/152,852.53 = 66,833.23/x
  3. Step 3: Cross multiply
    101,901.79x = 152,852.53 × 66,833.23
  4. Step 4: Simplify right side
    101,901.79x = 10,215,628,293.57
  5. Step 5: Solve for x
    x = 10,215,628,293.57/101,901.79
  6. Step 6: Final answer
    x = 100,249.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.